code: def validate(self) -> None:
      assert isinstance(self.options, list)
      assert_json_serializable(self.options)
  
file_path: pygraphistry/graphistry/compute/predicates/is_in.py
imports: from typing import TYPE_CHECKING, Any, List
  import pandas
  from graphistry.utils.json import assert_json_serializable
  from .ASTPredicate import ASTPredicate
label_desc: Use image node_id 3 for calling the IsIn obj's underlying member method code with example usage: obj.validate() without return types